@INPROCEEDINGS{Arai_07, AUTHOR = {B. Arai and S. Lin and D. Gunopulos}, TITLE = "{Efficient Data Sampling in Heterogeneous Peer-to-Peer Networks}", BOOKTITLE = {Proceedings of the IEEE International Conference on Data Mining (ICDM '07)}, year = {2007}, pages = {23-32}, address = {Omaha, NE}, url = {ftp://ftp.computer.org/press/outgoing/proceedings/icdm07/Data/3018a023.pdf}, }